Solutions by everydaycalculation.com

The GCF of 4 and 26 is 2.

- Find the prime factorization of 4

4 = 2 × 2 - Find the prime factorization of 26

26 = 2 × 13 - To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2

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Find hcf of: 8 & 52 2 & 13 12 & 78 20 & 130 28 & 182 8 & 26 4 & 52 12 & 26 4 & 78 20 & 26 4 & 130 28 & 26 4 & 182

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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).

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